From NASCAR, INDYCAR, IMSA, and EuroNASCAR, to FIA Formula 4, Rallycross, Australian Supercars, Vintage Formula and Sports Car racing series and much more, iRacing is the World's Premier Motorsport Racing Simulation. All you need is a computer, a gaming wheel or game pad that simply plugs into the USB port of your computer, and an Internet connection. iRacing centrally organizes all of the racing for you with over 180 cars and 150 laser scanned tracks, 80+ official series, along with the option to host your own custom race or race in one of over 1,000 private leagues.